Tubular aquarium



FIG. 1 is a front perspective view of a tubular aquarium showing my newdesign;

FIG. 2 is a side elevational view thereof; the opposite side elevationalview being a mirror image;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view of FIG. 1; and,

FIG. 5 is a bottom plan view thereof.

The broken lines are for purposes of illustration only and form no partof the claimed design.

The ornamental design for a tubular aquarium, as shown and described.